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星基遥感技术在获取时空复杂多变的水信息方面具有独特的优势,如TRMM/GPM,SMAP,GRACE,SWOT,GRACE-II,PATH,TERRA,AQUA,以及国内的风云系列等环境卫星提供了前所未有的全球遥感水文大数据.为了进一步促进遥感技术在水循环研究和水资源管理中的应用,促进学科交叉和系统集成研究,本文系统综述国际前沿的全球水循环遥感卫星技术、遥感参数反演及其在水文中的潜在应用等,重点介绍降水、土壤湿度、蒸散、地下水、水面高程、冰川、云和大气水等遥感技术,同时探讨全球水循环观测卫星的研发和功能,分析数据同化、遥感反演参数不确定性方面的技术瓶颈及未来展望.
Satellite-based remote sensing technology has unique advantages in obtaining complex and ever-changing water information in time and space. For example, satellite satellites such as TRMM / GPM, SMAP, GRACE, SWOT, GRACE-II, PATH, TERRA, AQUA, In order to further promote the application of remote sensing technology in water cycle research and water resources management and to promote the research of interdisciplinary and system integration, this paper systematically reviews the international forefront of global remote sensing satellite technology for water cycle, inversion of remote sensing parameters and its The potential applications in hydrology and so on, with emphasis on remote sensing technologies such as precipitation, soil moisture, evapotranspiration, groundwater, surface elevation, glacier, cloud and atmospheric water, and to explore the R & D and function of global water cycle observing satellites and to analyze data assimilation and remote sensing inversion Technical Bottleneck in the Uncertainty of Parameters and Its Future Prospects.